What does a glimpse of National Day mean?

This sentence means a photographer during the national flag period.

A glimpse of the National Day refers to some moments, fragments or scenes recorded by photography or words during the National Day. These photos or words can show people's joyful atmosphere, parade, float parade and other activities during the National Day. A glimpse of National Day can not only record historical moments, but also reflect the development and changes of society. By watching and reviewing these glimpses, people can feel the prosperity and progress of the country and enhance national pride and cohesion.